Orchestrion.



B. R. VAN VALKENBURG.

oReHesTmoN.

` A APPLWATION FILED APR.18,1912. l, 1 O9,268 Patented Sept. 1,1914.

/1 TTUR/VEY :UNITED sfrarus ril/TENT OFFICE.

. einer. u," VAN VALKENBURG, F DAKL'AND, CALIFORNIA. I

l oRcHEsrRIoN.

Specification of Letters Patent.

Patented sept. 1,119.14.

Application mea April 1s, i912. serial No. 691,721.

TQ. ali whom it may concern.'

" '"Be'it known that I, BURT- R.v VAN VALKEN- trions,I of which the following is a specification.'

This invention relates to musical instrujinents, and has specialreference to an 1n-A strument of thei'player-priano type.

Thepprincipal object of this invention is to proefde in a musical instrument having-a plurality of dierent tone producing de-V eov lso

l raise thev prolongs vices.' ,la-'valve mechanism .of improved charv'for operating one of said devices.

s W th the abovea'nd other objects in.v iew, thepinventionconsists in general ofcertain ovH l details of construction, and combinations of parts hereinafter fully described, illustrated in theaccompan'ying drawings, and specificallyclaimed.

In the accompanying drawings, like characters ofreference indicate like parts 'in the several viewsfand Figure 1 is a transverse section through a player-piano constructed in accordance with this invention. Fig. '2 isl an enlarged detailed section showing a portion of the improved` valve mechanism. Fig. 3 is a detailed plan view partly in the 'section showing several of the valves and the Operating means therefor.

In the present embodiment in the invention there is disclosed a piano case 10 provided with the ordinary action 1h This action 11 may be manually actuated. by the keys 12. In order to automatically play the piano, there is provided the usual trackerboard 13, over which extends'the roll-1.4 of perforated poaper common to such devices. At 15 is indicated the. vacuum chestusual 1n player-pianos and connected in the ,usual manner to the'trackenboard by a series of tubes, oneiwhereof is indicatedfat 16. Beneath the vacuum front 15 are. the usual bellows 17 which are suitably arranged to 18 of the' piano action. In the upper part of the piano case is located a second musical instrument which is here shown as a Xylophone 19, each note whereof is produced by the blow of a hammer 20.

Above the Xylophone is a vacuum chest 21, on the upper party of which rests a series. of bellows, these bellows one of which is indicated at'Q?, and

are connected each [to- .its re- =spective hammer by a rod 23, the -hammer being normally held in the raised position .by a vspring 24'. -Theflow of air from the bellows 22 is controlledv by means' of a valve 2,5 and the position of this valve-'is in turn controlled by a stem 26, resting on a ,flexible diaphragm 27 whichv serves to separate the vacuum 'chest 21 from a cell 28. VFrom the cell'Q-S leads a. passage 29 wliereto is connected one-'end of a tube l'30. A bleeder l31' of the usual type is employed to restore equilibrium between the vacuum chest and the cell. VLocated to the rear of the various prolonge' 18 is avalve vboard 31"provided withA series of openings 32 whereto the re- 70 marining lends of the various tubes 30 are connectedl On top of 'the board 31 'is' hinged'a series of valve closures 33. These valve closures project over the forward edge of the '.boardl.` and are arranged to be lifted by a lug 34 carried on the respective prolong so that 'asjthe prolong is raised, either mechanically 'or pneumatically, the respective valve will be opened.'v Above the board 31 is a strip 35, and the valve closures and strip are provided with opposite dis posed recesses 36 wherein are .held therespective ends of thesprings 37 which serve to turn the closuresv to an inclosed position. It will be obviousthat'4 when one of the valves is open this willV act'to admit air beneath the respective diaphragm 29 and thus operate lthe respective hammer QG-in the manner ordinary to devices or' this character.

There hasthus been provided a simple and eiicient devicev of the kind described, and for thepurpose specified.

Having thus described the' invention, what is claimed as new is An orchestrion including anote sounding device, a tracker board positioned beneath said note sounding device, .inner ends extending beneath said tracker board, a piano action coperating with said keys and including abstracts extending above the reary ends ot said keys whereby said piano action maybe operated by said keys, a pneumatic action for said piano action device positioned ,between said keys and tracker board, and located adjacent said abstracts whereby said'pneumat'ic operator may operate said 4piano action, a base board positioned tothe rear of saidabstracts and keys havingtheir face, valves pvoted to said base board, and, from seid pneumatic action to saidl trackerV L0 adapted to close the upper ends of said board.

openings and extending over the forward In testimony whereof I aiix my signature ends of sind base board, means 'carried by 1n presence of two witnesses.

5 saidy abstracts to operate said 'valves upon 7, T 7 v T the movement of said abstracts, `tubes lead- BURT R' X Ah ALEB BURG' ing from said note sounding device and com- 'Ytnesses: inuncating with the lower ends of the open- F. P. SCHROEDER, ings in said base board. and tubes leading 7. A. STOCK. 

